Engagement Ads helps to connect with the people who are interested in your brand message. Engagement Ads are tuned to user engagement, not clicks, and are available on a cost-per-engagement (CPE) basis, allowing advertisers to bid and pay only for user engagement.Engagement ads are for brand building purpose.Engagement Ads is very flexible to target on YouTube and the Google Display Network in the existing & new campaign.CPE Pricing & Optimization is possible